''Baumea arthrophylla''(now known as Machaerina arthrophylla) is a

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the sedge family,

Cyperaceae The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' w ...

that is native to many states and territories of Australia. The grass-like plant is rhizomatous and perennial, with a tufted habit. It typically grows to a height of . It blooms between September and November producing brown flowers. It is found in winter wet depressions and around swamps and lakes along coastal areas in the Peel,

South West The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sepa ...

, Great Southern and Goldfields-Esperance where it grows in damp to wet peaty-sand soils. Commonly confused with Machaerina rubiginosa (syn. Baumea rubiginosa), which has larger, less angular nuts, leaves and involucral bracts somewhat flattened at least near the apex, and more densely clustered spikelets.

References

{{Taxonbar, from=Q15549986 arthrophylla Plants described in 1874 Flora of Western Australia